11660317560 has 48 divisors (see below), whose sum is σ = 37896033240. Its totient is φ = 3109417920.

The previous prime is 11660317517. The next prime is 11660317573. The reversal of 11660317560 is 6571306611.

11660317560 is a `hidden beast` number, since 1 + 1 + 6 + 60 + 31 + 7 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16194526 + ... + 16195245.

Almost surely, 2^11660317560 is an apocalyptic number.

11660317560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11660317560 is an abundant number, since it is smaller than the sum of its proper divisors (26235715680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11660317560 is a wasteful number, since it uses less digits than its factorization.

11660317560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32389788 (or 32389781 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 11660317560 in words is "eleven billion, six hundred sixty million, three hundred seventeen thousand, five hundred sixty".